|
item
|
value
|
|
Classification
|
Phosphate
|
|
Type
|
SODIUM TRIPOLYPHOSPHATE
|
|
CAS No.
|
7758-29-4
|
|
Other Names
|
STPP
|
|
MF
|
Na5P3O10
|
|
EINECS No.
|
231-838-7
|
|
Grade Standard
|
Food Grade, Industrial Grade, Reagent Grade
|
|
Purity
|
95%
|
|
Appearance
|
white powder or granular
|
|
Brand Name
|
Yixin
|
|
Product Name
|
Sodium Tripolyphosphate
|
|
Purity
|
95%
|
|
Appearance
|
powder or granular
|
|
Grade
|
Food Garde,industry grade
|
|
CAS NO
|
7757-29-4
|
|
Usage
|
Food Addtives,water retention agent, quality improver,
|
|
Analysis
|
Specification
|
Result
|
|
STPP content %
|
≥95
|
95.5
|
|
P2O5 content %
|
≥57
|
57.3
|
|
Water insoluble %
|
≤0.1
|
0.03
|
|
PH ( 1%)
|
9.5-10.0
|
9.6
|
|
Whiteness %
|
≥85
|
90
|
|
Fluoride (as F) ppm
|
50 max
|
＜1
|
|
Arsenic (as As) ppm
|
3 max
|
＜3
|
|
Heavy Metal(as Pb) ppm
|
10 max
|
＜10
|
|
Chloride (as Cl) %
|
≤0.025
|
0.011
|
|
Sulfate (as SO42－) %
|
≤0.4
|
0.2
|
|
Result
|
Qualified
|
|